/* W511 · 浏览模式（YouTube 式播放器）。样式都挂在 #w511-* / .w511-* / html.w511-on 上 */
html.w511-on{scroll-behavior:auto!important}
/* :is 里带三个 id：压过别层用 id 写的 !important（W486 的 #gi-alert） */
html.w511-on :is([data-w511-hide],#w511-x#w511-x#w511-x){opacity:0!important;visibility:hidden!important;pointer-events:none!important;transition:opacity .25s ease,visibility 0s linear .25s!important}
html.w511-on.w511-idle.w511-playing,html.w511-on.w511-idle.w511-playing body{cursor:none}
#w511-ui{--g:#c4a46b;--g2:#e2cc9a;--ink:#f4f6fb;--sub:rgba(232,236,245,.72);position:fixed;left:0;right:0;bottom:0;z-index:10040;height:0;
 font:500 13px/1.35 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",var(--sans,system-ui),sans-serif;color:var(--ink);text-align:left;-webkit-font-smoothing:antialiased}
#w511-ui[hidden]{display:none}
:where(#w511-ui) button{appearance:none;-webkit-appearance:none;border:0;margin:0;background:transparent;color:inherit;font:inherit;cursor:pointer;position:relative;-webkit-tap-highlight-color:transparent}
#w511-ui button:focus-visible,#w511-ui [role=slider]:focus-visible,#w511-ui a:focus-visible{outline:2px solid var(--g2);outline-offset:2px;border-radius:8px}
#w511-ui svg{display:block;fill:currentColor}
.w511-bar{position:absolute;left:0;right:0;bottom:0;padding:34px max(16px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));
 background:linear-gradient(to top,rgba(3,9,24,.95),rgba(3,9,24,.88) 60%,rgba(3,9,24,0));transition:opacity .25s ease,transform .25s ease}
html.w511-idle .w511-bar{opacity:0;transform:translateY(12px);pointer-events:none}
.w511-mini{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.18);opacity:0;transition:opacity .25s ease;pointer-events:none}
.w511-mini i{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,var(--g),var(--g2))}
html.w511-idle .w511-mini{opacity:1}
/* 时间轴 */
.w511-tl{position:relative;height:22px;margin:0 0 2px;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;outline:none}
.w511-rail{position:absolute;left:0;right:0;top:50%;height:0;pointer-events:none}
.w511-seg{position:absolute;top:0;height:3px;transform:translateY(-50%);border-radius:2px;background:rgba(255,255,255,.24);overflow:hidden;transition:height .12s ease}
.w511-tl.on .w511-seg{height:5px}.w511-tl.on .w511-seg.hov{height:8px}
.w511-seg i{position:absolute;left:0;top:0;bottom:0;width:0}
.w511-seg .h{background:rgba(255,255,255,.34);display:none}.w511-tl.on .w511-seg .h{display:block}.w511-tl.drag .w511-seg .h{display:none}
.w511-seg .f{background-image:linear-gradient(90deg,var(--g),var(--g2));background-repeat:no-repeat}
.w511-knob{position:absolute;top:50%;left:0;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:#ead6a6;box-shadow:0 0 0 3px rgba(196,164,107,.3),0 2px 6px rgba(0,0,0,.5);transform:scale(0);transition:transform .12s ease;pointer-events:none}
.w511-tl.on .w511-knob,.w511-tl:focus-visible .w511-knob{transform:scale(1)}
@media (hover:none){.w511-knob{transform:scale(.8)}}
.w511-tip{position:absolute;bottom:0;left:0;min-width:110px;max-width:min(300px,calc(100vw - 20px));box-sizing:border-box;padding:7px 11px 8px;border-radius:10px;
 background:rgba(6,19,48,.97);border:1px solid rgba(196,164,107,.36);box-shadow:0 14px 36px -14px rgba(0,0,0,.8);pointer-events:none;opacity:0;visibility:hidden;transition:opacity .1s ease,visibility 0s linear .1s}
.w511-tip.on{opacity:1;visibility:visible;transition:opacity .1s ease,visibility 0s}
.w511-tip b{display:block;color:var(--g2);font-size:11.5px;font-weight:600;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.w511-tip span{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:13px;font-weight:600}
.w511-tip span:empty{display:none}
.w511-tip small{display:block;margin-top:2px;color:#c9d0de;font-size:12px;font-variant-numeric:tabular-nums}
/* 按钮行 */
.w511-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px}
.w511-g{display:flex;align-items:center;gap:2px;min-width:0}
.w511-g.l{flex:1 1 auto}
.w511-b{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;flex:0 0 auto;opacity:.92;transition:background .15s ease,opacity .15s ease}
.w511-b:hover{background:rgba(255,255,255,.1);opacity:1}
.w511-b svg{width:24px;height:24px}
.w511-b.big svg{width:30px;height:30px}
.w511-b.j svg,.w511-b.l10 svg{width:26px;height:26px}
.w511-b[aria-pressed="true"]{color:var(--g2)}
.w511-b[disabled]{opacity:.35;cursor:default}
.w511-sp{min-width:48px;width:auto;padding:0 8px;font-weight:700;font-size:13.5px;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.w511-time{padding:0 8px;font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.w511-time i{font-style:normal;color:var(--sub)}
.w511-chap{display:flex;align-items:center;gap:6px;min-width:0;max-width:46vw;height:34px;padding:0 10px;border-radius:9px;color:var(--ink);white-space:nowrap;overflow:hidden}
.w511-chap:hover{background:rgba(255,255,255,.1)}
.w511-chap em{font-style:normal;color:var(--g2);font-size:12px;letter-spacing:.04em;flex:0 1 auto;overflow:hidden;text-overflow:ellipsis;max-width:45%}
.w511-chap span{overflow:hidden;text-overflow:ellipsis;min-width:0;font-size:13px}
.w511-chap::after{content:"›";color:var(--sub);font-size:17px;line-height:1;flex:0 0 auto}
.w511-pg{color:var(--sub);font-size:12px;white-space:nowrap;padding:0 4px;font-variant-numeric:tabular-nums}
.w511-cap2{display:none}
/* 菜单：倍速 / 章节与播放列表 */
.w511-menu{position:absolute;right:max(16px,env(safe-area-inset-right,0px));bottom:92px;min-width:230px;max-width:calc(100vw - 32px);max-height:min(62vh,560px);overflow:auto;padding:8px;border-radius:14px;
 background:rgba(12,16,28,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 18px 48px -16px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.08);box-sizing:border-box}
.w511-menu[hidden]{display:none}
.w511-menu h4{margin:6px 10px 4px;font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--sub);text-transform:uppercase}
.w511-menu button{display:flex!important;align-items:center;gap:10px;width:100%;min-height:40px;padding:8px 12px;border-radius:9px;text-align:left;font-size:13.5px}
.w511-menu button:hover,.w511-menu button.cur{background:rgba(196,164,107,.18)}
.w511-menu button[aria-checked="true"]::before{content:"✓";color:var(--g2);width:14px;flex:0 0 auto}
.w511-menu button[aria-checked="false"]::before{content:"";width:14px;flex:0 0 auto}
.w511-menu button u{text-decoration:none;color:var(--g2);font-size:11px;letter-spacing:.06em;min-width:26px;flex:0 0 auto;font-variant-numeric:tabular-nums}
.w511-menu button small{margin-left:auto;color:var(--sub);font-size:11.5px;font-variant-numeric:tabular-nums;flex:0 0 auto}
.w511-menu button span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.w511-menu hr{border:0;border-top:1px solid rgba(255,255,255,.1);margin:6px 4px}
.w511-list{left:max(16px,env(safe-area-inset-left,0px));right:auto;width:min(380px,calc(100vw - 32px))}
/* 章名字幕、暂停提示、中心闪一下、片头卡 */
.w511-toast{position:absolute;left:50%;bottom:120px;transform:translate(-50%,8px);max-width:min(720px,calc(100vw - 32px));box-sizing:border-box;padding:9px 16px 10px;border-radius:10px;
 background:rgba(3,9,24,.8);text-align:center;opacity:0;visibility:hidden;transition:opacity .3s ease,transform .3s ease,visibility 0s linear .3s;pointer-events:none}
.w511-toast.on{opacity:1;visibility:visible;transform:translate(-50%,0);transition:opacity .3s ease,transform .3s ease,visibility 0s}
.w511-toast em{display:block;font-style:normal;color:var(--g2);font-size:11.5px;letter-spacing:.1em;margin-bottom:2px}
.w511-toast b{display:block;font-size:17px;font-weight:600;line-height:1.4}
.w511-toast.big{bottom:auto;top:38vh;padding:16px 26px 18px}
.w511-toast.big b{font-size:clamp(22px,3.2vw,34px)}
html.w511-idle .w511-toast{bottom:40px}
.w511-paused{position:absolute;left:50%;bottom:112px;transform:translateX(-50%);padding:8px 16px;border-radius:999px;background:rgba(3,9,24,.82);border:1px solid rgba(196,164,107,.4);
 color:var(--ink);font-size:13.5px;white-space:nowrap;display:none}
html.w511-on.w511-paused-ui .w511-paused{display:block}
.w511-flash{position:fixed;left:50%;top:50%;width:78px;height:78px;margin:-39px 0 0 -39px;border-radius:50%;background:rgba(3,9,24,.62);display:grid;place-items:center;opacity:0;pointer-events:none}
.w511-flash svg{width:38px;height:38px}
.w511-flash.go{animation:w511-flash .6s ease-out}
@keyframes w511-flash{0%{opacity:1;transform:scale(.8)}100%{opacity:0;transform:scale(1.45)}}
/* 片尾：下一页卡 */
.w511-next{position:absolute;right:max(16px,env(safe-area-inset-right,0px));bottom:104px;width:min(360px,calc(100vw - 32px));box-sizing:border-box;padding:14px 16px 14px;border-radius:14px;
 background:rgba(12,16,28,.95);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 22px 56px -18px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.08)}
.w511-next[hidden]{display:none}
.w511-next .k{display:flex;align-items:center;gap:10px;color:var(--sub);font-size:12px;letter-spacing:.06em}
.w511-next .ring{width:34px;height:34px;flex:0 0 auto}
.w511-next .ring circle{fill:none;stroke-width:3}
.w511-next .ring .bg{stroke:rgba(255,255,255,.18)}
.w511-next .ring .fg{stroke:var(--g2);stroke-linecap:round;transform:rotate(-90deg);transform-origin:50% 50%}
.w511-next h5{margin:8px 0 2px;font-size:18px;font-weight:600;line-height:1.35;color:var(--ink)}
.w511-next p{margin:0 0 12px;color:var(--sub);font-size:12.5px}
.w511-next .acts{display:flex;gap:8px}
.w511-next .acts button{flex:1;min-height:44px;border-radius:10px;font-weight:600;font-size:14px}
.w511-next .acts .no{background:rgba(255,255,255,.1)}
.w511-next .acts .go{background:var(--g);color:#0b1630}
/* 入口按钮（W512 / #ins-bar / #bk-bar 上） */
.w511-entry{appearance:none;-webkit-appearance:none;display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px 0 10px;border-radius:999px;margin:0;
 border:1px solid rgba(196,164,107,.5)!important;background:rgba(196,164,107,.14)!important;color:#ecd9ab!important;font:600 12.5px/1 var(--sans,system-ui,-apple-system,"PingFang SC",sans-serif)!important;
 white-space:nowrap;cursor:pointer;position:relative;flex:0 0 auto;-webkit-tap-highlight-color:transparent;transition:background .15s ease}
.w511-entry:hover{background:rgba(196,164,107,.26)!important}
.w511-entry:focus-visible{outline:2px solid #e2cc9a;outline-offset:2px}
.w511-entry svg{width:11px;height:11px;fill:currentColor;flex:0 0 auto}
.w511-entry::after{content:"";position:absolute;inset:-6px}
@media(max-width:760px){.w511-entry{width:36px;height:36px;padding:0;justify-content:center}.w511-entry .t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.w511-entry svg{width:13px;height:13px}}
/* 手机 */
@media(max-width:760px),(pointer:coarse){.w511-b{width:44px;height:44px}.w511-tl{height:30px}}
@media(max-width:760px){
 .w511-bar{padding-top:40px}
 .w511-j,.w511-voice,.w511-pg{display:none!important}
 .w511-row{gap:4px}
 .w511-g.l .w511-chap{display:none}
 .w511-cap2{display:flex;align-items:baseline;gap:6px;width:100%;min-width:0;min-height:30px;padding:4px 2px 2px;white-space:nowrap;overflow:hidden;font-size:12.5px;text-align:left}
 .w511-cap2::after{content:"›";color:var(--sub);flex:0 0 auto}
 .w511-cap2 em{font-style:normal;color:var(--g2);font-size:11.5px;flex:0 1 auto;overflow:hidden;text-overflow:ellipsis;max-width:48%}
 .w511-cap2 span{overflow:hidden;text-overflow:ellipsis;min-width:0}
 .w511-time{padding:0 4px;font-size:12.5px}
 .w511-menu{bottom:118px;left:12px;right:12px;width:auto;max-width:none}
 .w511-next{left:12px;right:12px;width:auto;bottom:128px}
 .w511-toast{bottom:150px}.w511-paused{bottom:140px}
}
@media(max-width:420px){.w511-prev,.w511-lst{display:none!important}}
@media (prefers-reduced-motion:reduce){#w511-ui *,#w511-ui{transition:none!important;animation:none!important}}
@media print{#w511-ui{display:none!important}}

#w513-back{position:fixed;left:50%;top:12px;z-index:2147481500;display:flex;align-items:center;gap:2px;max-width:calc(100vw - 32px);
  transform:translate(-50%,-8px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease,top .22s ease;
  background:rgba(11,26,58,.93);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
  border:1px solid rgba(196,164,107,.45);border-radius:24px;box-shadow:0 8px 28px rgba(5,12,32,.28);padding:0 2px 0 4px;
  font:500 14px/1.2 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;box-sizing:border-box}
#w513-back.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
#w513-back[hidden]{display:none!important}
#w513-back button{appearance:none;-webkit-appearance:none;border:0;background:transparent;color:#fff;cursor:pointer;font:inherit;margin:0;
  min-height:44px;display:inline-flex;align-items:center;border-radius:22px;-webkit-tap-highlight-color:transparent}
#w513-back .w513-bk-go{gap:8px;padding:0 10px 0 10px;min-width:0;flex:1 1 auto}
#w513-back .w513-bk-go svg{flex:0 0 auto;width:18px;height:18px;stroke:#f6d67c;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#w513-back .w513-bk-l{white-space:nowrap;font-weight:600}
#w513-back .w513-bk-s{color:#f6d67c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;max-width:42vw;font-weight:500}
#w513-back .w513-bk-s:empty{display:none}
#w513-back .w513-bk-x{width:44px;justify-content:center;color:#cdd8ec;flex:0 0 44px;font-size:18px;line-height:1}
#w513-back button:hover{background:rgba(255,255,255,.08)}
#w513-back button:focus-visible{outline:2px solid #f6d67c;outline-offset:-2px}
#w513-find{position:fixed;inset:0;z-index:2147482600;display:flex;justify-content:center;align-items:flex-start;
  font:400 15px/1.45 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#0b1a3a}
#w513-find[hidden]{display:none!important}
#w513-find .w513-f-bd{position:absolute;inset:0;background:rgba(5,12,32,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);touch-action:none}
#w513-find .w513-f-pn{position:relative;margin-top:12vh;width:min(640px,calc(100vw - 32px));max-height:min(620px,76vh);display:flex;flex-direction:column;
  background:#fbfaf7;border-radius:16px;box-shadow:0 24px 70px rgba(5,12,32,.38);overflow:hidden;border:1px solid rgba(196,164,107,.35)}
#w513-find .w513-f-row{display:flex;align-items:center;gap:8px;padding:6px 8px 6px 16px;border-bottom:1px solid #e7e1d2}
#w513-find .w513-f-row svg{flex:0 0 auto;width:20px;height:20px;stroke:#7a4f00;fill:none;stroke-width:2;stroke-linecap:round}
#w513-find input{flex:1 1 auto;min-width:0;height:48px;border:0;outline:0;background:transparent;color:#0b1a3a;font:500 17px/1.2 inherit;font-family:inherit;padding:0;-webkit-appearance:none;appearance:none}
#w513-find input::placeholder{color:#6a7284}
#w513-find input::-webkit-search-cancel-button{display:none}
#w513-find .w513-f-x{appearance:none;border:0;background:transparent;color:#3d4a66;font:500 14px/1 inherit;font-family:inherit;min-width:44px;min-height:44px;padding:0 10px;border-radius:10px;cursor:pointer}
#w513-find .w513-f-x kbd{font:600 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid #cfc6b0;border-radius:6px;padding:4px 6px;color:#3d4a66;background:#fff}
#w513-find .w513-f-x:focus-visible,#w513-find .w513-it:focus-visible{outline:2px solid #7a4f00;outline-offset:-2px}
#w513-find ul{list-style:none;margin:0;padding:6px;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
#w513-find .w513-gh{padding:10px 10px 4px;font:600 12px/1.2 inherit;font-family:inherit;letter-spacing:.08em;color:#6b5320}
#w513-find .w513-it{display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 10px;border-radius:10px;cursor:pointer;box-sizing:border-box}
#w513-find .w513-it[aria-selected="true"]{background:#f3ead3;box-shadow:inset 0 0 0 1px rgba(196,164,107,.55)}
#w513-find .w513-t{flex:1 1 auto;min-width:0;color:#0b1a3a;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
#w513-find .w513-t mark{background:transparent;color:#7a4f00;font-weight:700;text-decoration:underline;text-decoration-color:rgba(196,164,107,.9);text-underline-offset:3px}
#w513-find .w513-s{flex:0 0 auto;max-width:40%;color:#555f73;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#w513-find .w513-k2 .w513-t{font-weight:600}
#w513-find .w513-no{padding:18px 12px;color:#3d4a66}
#w513-find .w513-f-ft{display:flex;gap:14px;padding:8px 16px;border-top:1px solid #e7e1d2;color:#555f73;font-size:12px}
#w513-find .w513-f-ft kbd{font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid #cfc6b0;border-radius:5px;padding:2px 5px;background:#fff;color:#3d4a66;margin-right:4px}
@media (max-width:640px),(pointer:coarse){
  #w513-find .w513-f-pn{margin-top:0;width:100vw;max-height:88vh;border-radius:0 0 16px 16px;border-width:0 0 1px;padding-top:env(safe-area-inset-top)}
  #w513-find .w513-f-ft{display:none}
}
.w513-sp{position:absolute;z-index:5;display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:16px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.16);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;cursor:pointer;
  font:600 13px/1 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-tap-highlight-color:transparent;appearance:none;-webkit-appearance:none}
.w513-sp::after{content:"";position:absolute;left:-4px;right:-4px;top:-6px;bottom:-6px}
.w513-sp svg{width:15px;height:15px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round}
.w513-sp kbd{font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:#e6ebf5;border:1px solid rgba(255,255,255,.3);border-radius:5px;padding:2px 4px;margin-left:2px}
.w513-sp:hover{background:rgba(255,255,255,.24)}
.w513-sp:focus-visible{outline:2px solid #f6d67c;outline-offset:2px}
@media (pointer:coarse){.w513-sp kbd{display:none}}
.w513-land{animation:w513land 1.6s ease-out 1;border-radius:6px}
@keyframes w513land{0%{background-color:rgba(246,214,124,.42);box-shadow:0 0 0 8px rgba(246,214,124,.42)}100%{background-color:rgba(246,214,124,0);box-shadow:0 0 0 8px rgba(246,214,124,0)}}
@media (prefers-reduced-motion:reduce){
  #w513-back{transition:none}
  .w513-land{animation:none;outline:2px solid rgba(196,164,107,.9);outline-offset:6px}
}
@media print{#w513-back,#w513-find,.w513-sp{display:none!important}}